Waste picking and ejecting mechanism in machines handling paper or cardboard



May 26, 1970 A. SCHUTZ 3,513,756

WASTE PICKING AND EJECTING MECHANISM IN MACHINES HANDLING PAPER OR CARBOARD Filed May 27, 1968 4 Sheets-Shetl i Q i A J N I l i ill-L I I w I m I g il 1- c: J Q R,

CHUT E I May 26, 1970 z I 3,513,756

WASTE PICKING AND CIING MECHANISM IN MACHINES HANDLI APER on CARBOARD 4 Sheets-Sheet 3 Filed May 27, 1968 May 26, 1970 A. SCHUTZ 3,513,756

WASTE PICKING AND EJECTING MECHANISM IN MACHINES HANDLING PAPER OR CARBOARD Filed May 27, 1968 4 Sheets-Sheet 5 May 26, A. SCHUTZ WASTE PICKING AND EJEGTING MECHANISM IN MACHINES HANDLING PAPER OR CARBOARD Filed May 27, 1968 4 Sheets-Sheet 4 centerlme (if the mach/n8 I center-(me afihe mach/n:

length of the qjectmg segment United States Patent 3,513,756 WASTE PICKING AND EJECTING MECHANISM lN MACHINES HANDLING PAPER OR CARDBOARD Alois Schiitz, Wurzburg, Germany, assignor to Schnellpressenfabrik Koenig & Bauer Aktiengesellschaft, Wurzburg, Germany Filed May 27, 1968, Ser. No. 732,379 Claims priority, application Germany, June 1, 1967, 1,561,512 Int. Cl. B3111 1/00 US. CI. 9336 4 Claims ABSTRACT OF THE DISCLOSURE This is a machine for handling diiTerent forms of waste paper or cardboard sheets. There is a cylinder with annular axially spaced apart grooves. In running with this cylinder is another cylinder specially made up. The groved cylinder is adjustably positioned with respect to the second cylinder. This second cylinder is composed of disks axially side by side and inserted between these disks are disk segments that carry protruding spurs that are arranged in alignment with and project into the grooves of the grooved cylinder to punch into the waste sheets. The disk segments carrying the spurs are arcuate and have slots extending in from their bottom edges and these slots terminate in a circular are. A bolt having alternate large portions corresponding to the circular arcs in the segments and smaller portions corresponding to the slots in the segments extends through the slotted segments and is spring biased for axial movement. In normal position, the bolt holds the segments with their spurs extended into the grooves on the grooved cylinder. The bolt when axially pushed against the spring brings its smaller portions into alignment with the slots in the segments and permits removal of insertion of the segments. There is a plastic transparent template that is marked with the spacing of the grooves and it is marked for the desired positioning and installation of the disk segments carrying the spurs. Thus, the selected template for the sheets to be picked is secured to the grooved cylinder with the groove markings aligned. The markings where disk segment spur penetrations are to take place indicates where on the disk cylinder the disk segments should be installed as the grooved cylinder is progressively and slowly rotated for carrying out the installation of the disk segments. The positioning of the disk segments may be tested by installing a template and rotating the groved cylinder against the rotated disk cylinder thereby causing penetration of the spurs into the template as a check of their proper positioning. The grooved cylinder is rotatably supported in bearings at each end that are mounted in an eccentric collar mounted in end frames. A lever attached to the collar is rotatable under the control of a further lever controlling the rotation of a cam that pivots the first lever to rotate the collar having the bearing eccentrically mounted therein.

Background of the invention The invention relates to a picking and ejecting mechanism in machines working paper or cardboard sheets of various forms.

There are various known methods for picking and ejecting such waste. These mechanisms have two cylinders between which the paper or cardboard is taken. One of these cylinders has grooves, and the other one has picking devices cooperating with said grooves.

The present invention relates to an ejecting mechanism of this kind which is to be changed easily and more particularly to the positioning of picking tools arranged on the picking cylinder and the adjustment of the penetrating depth of the picking devices which submerg into the grooves of the one of said cylinders. The invention relates also to a mounting template-like transparent member provided for the desired positioning and mounting of the picking segments on the ejecting cylinder.

It is an object of the invention to provide an ejecting mechanism which is easily changeable from one form to another of the cardboard and from one thickness to another thickness of cardboard or paper.

Summary of the invention According to the invention the ejecting cylinder is composed by disks. Disk segments are placed in the circumference of disks. Ejecting segments are inserted between the disk segments. The cylinder having the grooves is journaled in pivotable eccentric bushes the angle position of which is adjustable by a lever gearing.

The ejecting segments are provided with slots having extensions in their bottoms like an arch of a circle. Bolts are received in these slots which have a big diameter on their ends and are grooved in the middle of their shafts. The diameter of said grooves are equal to the diameter of the slots and their big diameter is equal to the arch-like extensions. The ejecting segments are secured by these bolts in grooves of the ejecting disks. The grooves of the disk segments'which are placed in the ejecting disk have the same distance from each other as the grooves of the groove cylinder. For this reason the ejecting segments can extend into the grooves of the groove cylinder.

The distance between the groove cylinder and the ejecting cylinder is adjustable by turning the eccentric bushes provided for supporting the axle of the groove cylinder. These bushes are provided with a lever pressed against cams by spring pressure. These cams are eccentrically journaled on a shaft and are turned by hand powered levers fixed to the shaft and may be moved to a desired position by releasing a spring pressed pin on the end of the lever.

The waste paper or cardboard pieces having very different forms and sizes are ejected by the ejecting segments having to be installed in intended positions on the groove cylinder. According to the present invention the ejecting segments are mounted in the following manner. The surface of the ejecting cylinder is covered by a transparent thin leaf of plastic on which are designed both all grooves and all possible positions of the ejecting segments and the position of the ejecting segments having to be installed in accordance to the form of the work.

By use of this mounting leaf or template-like member it is possible to find the position of the necessary ejecting segments very readily. The ejecting segments are to be mounted in a sure and quick way by means of said slots and said bolts. The adjustment of the distance of cylinders makes it possible to find the right space if the thickness of paper or cardboard will be changed.

An embodiment of the invention will now be described by way of example with reference to the accompanying drawings but it is clearly to be understood that the invention is by no means restricted to the details of this embodiment.

FIG. 1 is a cross section through the cylinders of an ejecting mechanism,

FIG. 2 is a cross section through an ejecting cylinder having ejecting segments, showing the position of the ejecting segments inserted in the grooves of the groove cylinder,

FIG. 3 is a modified end view of FIG. 2,

FIG. 4 shows the bearing of the groove cylinder provided with the lever gearing for the purpose of adjusting the space between the two said cylinders,

FIG. is a modified view at the right of FIG. 4 including'an end frame, and

FIG. 6 shows the scheme of a mounting template-like member for mounting said ejecting segments.

The axles 1 and 2 respectively of groove cylinder 3 and ejecting cylinder 4 are journaled in frames I and II.

The ejecting disks 5 are secured on axles 2. The disks 5 can be mounted in every desired axial distance from each other. The torque is transferred by the make up key 6.

FIG. 2 shows groove cylinder 3 and ejecting cylinder 4. The ejecting disk 5 consists of two parts (not shown) therefore it can be mounted on the axle 2 radially without removing a bearing of frame I or II and without moving ejecting disk 5 in axial direction on the axle 2. The disk segments 7 are secured by screws 8 against shoulder 9 of the ejecting disk, the disk segments 7 have grooves or slots 10, in which the ejecting segments 11 are installed. These parts are secured by bolts 12 and are disengageable by shifting of the bolts 12 by hand against the pressure of spring 14. Operating in this manner the smaller diameter 15 comes to the position of ejecting segment 11 having a slot 16 the gauge of which is equal to the smaller diameter 15 of the bolt 12 and the bottom of which is arch-like extended so that the greater diameter of the bolt 12 corresponds to this extension.

The spurs of ejecting segment 11 project over the greatest diameter of the ejecting disk 5 and submerge into grooves 17 of groove cylinder 3. The space between grooves 17 is equal to the distance of grooves 10 from each other.

The ejecting segments 11 have a lot of spurs 19 which eject waste parts by penetrating them.

The depth of submerging of spurs 19 into the grooves 17 of groove cylinder 3 are changeable by varying the distance between the groove cylinder 3 and ejecting cylinder 4. For this purpose the groove cylinder 3 is journaled in pivotable eccentric bushes 20 and 21 of frames I and II, see FIG. 1.

The levers 22 are secured to bushes 20 and 21 respectively and serve to transfer the torque acting on the bushes. Bolt 24, see FIGS. 4 and 5, is journaled to end 23 of lever 22 which leads the spring 25. This spring is engaged with part 26 fixed on frame I or II which guides bolt 24. Spring 25 extends between part 26' and shoulder 27 of bolt 25 and presses the end 23 of lever 22 against cam 28 the axle 29 of which is journaled in frames I and II. Cam 28 is fixed to axle 29. Lever 30 is mounted on axle 29 and is rotated to turn cam 28. By this means the angle position of lever 22 is changed and the distance of groove cylinder 3 to ejecting cylinder 4 is adjustable, because bushes 20 and 21 respectively are rotated. The attained position of lever 30 is fixable by pin 31 in the following manner. Pin 31 is shifted axially as far as it rests in one of the holes 33 being drilled in frame I or II in a semicircle around the axle 29.

The thin mounting leaf of plastic or template-like member is shown in FIG. 6. Such a transparent mounting leaf 34 has to be designed for every work. It is secured on groove cylinder 3 and adjusted according to grooves 17 in axial direction. The ejecting segments 11 are installed in the ejecting cylinder 4 according to the markings 35 on the mounting leaf 34. The cylinders 3 and 4 on being rotated once, penetrations of spurs 19 of ejecting segments 11 are impressed in the mounting leaf of plastic. These impressions have to correspond with the markings 35.

By use of mounting leaf or template-like member 34 the operator can mount the ejecting segments 11 into ejecting cylinder 4 readily. The impressions on the mounting leaf allow the checking of the right position of ejecting segments 11.

Having thus fully disclosed my invention, what I claim 1s:

1. Waste picking and ejecting mechanism in machines handling paper or cardboard sheets of various forms, comprising, a rotatable cylinder having annular spaced apart grooves therein, mounting means for said grooved cylinder, a rotatable ejecting cylinder, mounting means for said ejecting cylinder to rotate against said grooved cylinder, said ejecting cylinder having axial disks, each of said axial disks having insertable ejecting segments in the circumference thereof, said insertable ejecting segments having radially projecting spurs for receipt into said annular grooves in the grooved cylinder, said ejecting segments having slots extending in from their inner edge and connecting with an arcuate circular opening, said axial disk having a bolt extending parallel to the axis thereof adjacent the circumference and having alternate large diameter portions equal to the arcuate circular opening in the ejecting segment and smaller diameters equal to the Width of said slots in the ejecting segment whereby axial movement of the bolt to position the smaller diameter portions with the slot in the ejecting segments permits insertion and removal of the ejecting segment and movement of the bolt to position the larger diameter portion thereof in the arcuate circular portion of the ejecting segment to hold the ejecting segment in place.

2. Waste picking and ejecting mechanism in machines handling paper or cardboard sheets of various forms, comprising, a rotatable cylinder having annular spaced apart grooves therein, mounting means for said grooved cyinder, a rotatable ejecting cylinder, mounting means for said ejecting cylinder to rotate against said grooved cylinder, said ejecting cylinder having axial disks, each of said axial disks having insertable ejecting segments in the circumference thereof, said insertable ejecting segments having redially projecting spurs for receipt into said annular grooves in the grooved cylinder, and mounting means on said axial disks for said insertable ejecting segments, said mounting means for said grooved cylinder including journal mountings having pivotal eccentric supports and angle positioning means for said pivotal eccentric supports with lever gearing means.

3. Waste picking and ejecting mechanism according to claim 2 wherein said angle positioning means for said pivotal eccentric supports comprises a lever extending transversely from said pivotal eccentric support for said journal mountings for pivotally rotating the same, a rotatable cam mounted adjacent the end of said lever for pivoting the same, an eccentric mounting axle for said cam for rotation therewith, a second lever fixed to said mounting axle for the cam, means for adjustably positioning and holding said second lever in adjusted position and biasing means holding said first lever against said earn.

4. Waste picking and ejecting mechanism in machines handling paper or cardboard sheets of various forms, comprising a rotatable cylinder having annular spaced apart grooves therein, a rotatable ejecting cylinder, mounting means for said ejecting cylinder to rotate against said grooved cylinder, adjustably positionable mounting means for the grooved cylinder for adjustably positioning it with respect to the ejecting cylinder, said ejecting cylinder being made up of axial disks, each of said disks having a peripheral rim having a radially extending shoulder at one end of said rim, a plurality of disk segments received on said peripheral rim portion with an end one abutting said shoulder, means securing said disk segments to said peripheral rim portion, each of said disk segments having an inline aperture therein adjacent the periphery thereof and extending parallel to the axis of said disk and a radially extending groove in one end of each disk segment, a bolt received in said aligned apertures in the disk segments and axially movably secured at one end to said shoulder, said bolt having alternate large diameter and smaller diameter portions, the smaller diameter portions having the axial spacing of 6 said grooves in the grooved cylinder, and ejecting seg- References Cited ment having a spur extending radially therefrom for UNITED STATES PATENTS receipt m a groove 1n said grooved cylinder and removably mountable in a radially extending groove in said 2,677,994 5/1954 disk segment, said ejecting segment having a slot extend- 5 2,711,676 6/1955 Rlchardson et ing in from its inner edge of a width for receipt by the 2,778,286 1/1957 Walkersmaller diameter portion of said bolt and a circular 3,410,183 11/1968 Sarkaarcuate portion in communication with said slot and of a diameter for receipt by said larger diameter portion of said bolt for securement of said ejecting segment in 10 said disk segment.

BERNARD STICKNEY, Primary Examiner 

